Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZAM callsign genealogy
Currently held by Capote III, Mariano J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4ZAM's current licensee, walking backwards.
- Capote III, Mariano JFLgranted 2017-03-24cancelled 2017-05-05
Successor callsigns
Callsigns held now by people who previously held K4ZAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ZAM, oldest first.
- FLOYD, JIMMY R NC1997-09-17 → cancelled 2009-09-18
- Capote III, Mariano J FL2017-05-05 active